|
PCR from respiratory material
|
1538
|
148 (9,6%)
|
|
Sputum
|
1335
|
134 * (10,1%)
|
|
Broncho-alveolar lavage
|
67
|
8 (11,9%)
|
|
Others (Throat washings)
|
136
|
6** (4,4%)
|
|
IgM-Antibody EIA
|
4450
|
204 (4,6%)
|
|
IgA-Antibody EIA
|
4450
|
881 (19,8%)
|
|
IgG-Antibody EIA
|
4450
|
1042 (23,4%)
|
|
PCR from respiratory material + serum
|
1448
| |
|
PCR positive + IgM-antibody positive
| |
46 (3.2%)
|
|
PCR positive + IgA-antibody positive
| |
55 (3.7%)
|
|
PCR positive + IgG-antibody positive
| |
69 (4.7%)
|
|
PCR from respiratory material + serum
|
1448
| |
|
PCR negative + IgM-antibody positive
| |
31 (2.1%)
|
|
PCR negative + IgA-antibody positive
| |
246 (17%)
|
|
PCR negative + IgG-antibody positive
| |
272 (18.8%)
|
